Method system and program storage device for automatically calculating and displaying time and cost data in a well planning system using a Monte Carlo simulation software

• US 7,548,873 B2
• Filed: 02/08/2005
• Issued: 06/16/2009
• Est. Priority Date: 03/17/2004
• Status: Active Grant

• Current Assignee: Schlumberger Technology Corporation (Schlumberger NV)
• Original Assignee: Schlumberger Technology Corporation (Schlumberger NV)
• Inventors: Jeffers, John, Ravichandran, Ganesan, Givens, Kris, Veeningen, Daan
• Primary Examiner(s): MEINECKE DIAZ, SUSANNA M
• Application Number:
  US11/053,575
• Publication Number:
  US 20050209912A1
• Time in Patent Office: 1,589 Days
• Field of Search: 705/8
• US Class Current: 705/7.12
• CPC Class Codes: G06Q 10/06 Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
• CPC Class Codes: G06Q 10/0631 Resource planning, allocation, distributing or scheduling for enterprises or organisations
• CPC Class Codes: G06Q 10/06312 Adjustment or analysis of established resource schedule, e.g. resource or task levelling, or dynamic rescheduling
• CPC Class Codes: G06Q 10/10 Office automation; Time management

Abstract

A method of generating and displaying time and cost data representing the time and the cost to complete a plurality of oilfield related activities in response to a set of engineering results including wellbore geometry and drilling parameters comprises the steps of: (a) assembling a plurality of time data and a plurality of cost data based on the engineering results in response to a plurality of activity templates; and (b) generating a display of the time data and the cost data, the display illustrating the time data and the cost data representing the time and the cost to complete the plurality of oilfield related activities. The display includes a numerical display and a graphical display.

Claims

1. A computer readable medium storing computer-executable instructions for generating and displaying a plurality of time and cost data associated with activities, the instructions, when executed, cause a computer to:

obtain a plurality of non-summary activities based on wellborne geometry and drilling parameters in an oilfield operation;

obtain an activity template comprising a plurality of minimum times, a plurality of maximum times, and a plurality of costs for the plurality of non-summary activities;

generate a correlation matrix having columns for each of the plurality of non-summary activities and rows for each of the plurality of non-summary activities;

group a first non-summary activity and a second non-summary activity into a first summary activity based on a first entry in the correlation matrix corresponding to the first non-summary activity and the second non-summary activity, wherein the plurality of non-summary activities includes the first non-summary activity and the second non-summary activity;

identify a minimum time for the first non-summary activity, a maximum time for the first non-summary activity, and a cost for the first non-summary activity from the activity template;

generate a distribution, for the first non-summary activity, bounding a first area corresponding to the minimum time for the first non-summary activity and a second area corresponding to the maximum time for the first non-summary activity, wherein the second area is greater than the first area and includes the first area;

identify a minimum time for the second non-summary activity, a maximum time for the second non-summary activity, and a cost for the second non-summary activity from the activity template;

calculate a minimum time for the first summary activity based on the minimum time for the first non-summary activity and the minimum time for the second non-summary activity;

calculate a maximum time for the first summary activity based on the maximum time for the first non-summary activity and the maximum time for the second non-summary activity; and

display the first non-summary activity, the second non-summary activity, the first summary activity, the minimum time for the first summary activity, and the maximum time for the first summary activity.

2. The computer readable medium of claim 1, wherein the wellborne geometry and drilling parameters in the oilfield operation comprise at least one selected from a group consisting of Well name, Surface Location, Offshore Well, GL Elevation, Water Depth, Well Type, RKB Elevation, Openhole Or Case hole completion, Conductor, Presence of H2S, Presence of CO2, Unit System, Client Name, Field Name, Tubing Size, Default Unit System, Boit Constant Raw, Ucs Calibration Factor Raw, Friction Angle Raw, Pore Pressure Raw, Poisson Ratio Raw, Unconfined Compressive Strength Raw, Density Raw, Stress Azimuth Raw, Inclination Min Stress Raw, Inclination Intermediate Stress Raw, Vertical Stress Raw, Horizontal Stress Minimum Raw, Horizontal Stress Maximum Raw, True Vertical Depth Raw, Measured Depth Traj Raw, Inclination Raw, Azimuth Raw, True Vertical Depth Trajectory Raw, Northing Southing Raw, Easting Westing Raw, Dog Leg Severity Raw, Build Rate Raw, Turn Rate Raw, True Vertical Depth, Elevation Reference Trajectory, Elevation Depth Trajectory, Elevation Reference Earth Model, Elevation Depth Earth Model, Measured Depth, True Vertical Depth, Dog Leg Severity, Build Rate, and Turn Rate.

3. The computer readable medium of claim 1, wherein the plurality of non-summary activities comprises at least one selected from a group consisting of pick up bottom hole assembly, drill rotary, and pull out bottom hole assembly.

4. The computer readable medium of claim 1, the instructions further comprising functionality to:

group a third non-summary activity and a fourth non-summary activity into a second summary activity based on a second entry in the correlation matrix corresponding to the third non-summary activity and the fourth non-summary activity, wherein the plurality of non-summary activities further comprises the third non-summary activity and the fourth non-summary activity;

calculate a minimum time for the second summary activity based on a minimum time for the third non-summary activity and a minimum time for the fourth non-summary activity;

calculate a maximum time for the second summary activity based on a maximum time for the third non-summary activity and a maximum time for the fourth non-summary activity; and

display the second summary activity, the minimum time for the second summary activity, and the maximum time for the second summary activity.

5. The computer readable medium of claim 4, the instruction further comprising functionality to:

calculate a total minimum time based on the minimum time for the first summary activity and the minimum time for the second summary activity, wherein the first summary activity and the second summary activity are primary activities.

6. The computer readable medium of claim 1, the instructions further comprising functionality to:

calculate a cost for the first summary activity based on the cost for the first non-summary activity and the cost of the second non-summary activity; and

display the cost for the first summary activity.

7. The computer readable medium of claim 1, wherein the minimum time for the first non-summary activity is an amount of time needed for 10% of a plurality of wells in an oilfield to have completed the first non-summary activity.

8. The computer readable medium of claim 1, wherein the maximum time of the first non-summary activity is an amount of time needed for 90% of a plurality of wells in an oilfield to have completed the first non-summary activity.

9. The computer readable medium of claim 1, wherein the distribution for the first non-summary activity is a lognormal distribution.

10. The computer readable medium of claim 1, the instructions further comprising functionality to:

generate a distribution for the first summary activity based on the minimum time and the maximum time for the first summary activity,

wherein a first area bounded by the distribution for the first summary activity corresponds to the minimum time for the first summary activity, and

wherein a second area bounded by the distribution for the first summary activity corresponds to the maximum time for the first summary activity.

11. The computer readable medium of claim 10, wherein the distribution for the first summary activity is a lognormal distribution.

12. The computer readable medium of claim 10, the instructions further comprising functionality to display the distribution for the first summary activity.

13. The computer readable medium of claim 1, wherein the first non-summary activity is a productive activity and the second non-summary activity is a non-productive activity.

14. The computer readable medium of claim 1, wherein the display further comprises the minimum time of the first non-summary activity, the maximum time of the first non-summary activity, the minimum time of the second non-summary activity, and the maximum time of the second non-summary activity.

15. The computer readable medium of claim 1, wherein the minimum time for the first non-summary activity, the maximum time for the first non-summary activity, and the cost for the first non-summary activity are identified from the activity template prior to combining the first non-summary activity and the second non-summary activity.

16. A method of generating and displaying a plurality of time and cost data associated with a plurality of activities, comprising the computer-executed steps of:

obtaining a plurality of non-summary activities based on wellborne geometry and drilling parameters in an oilfield operation;

obtaining an activity template comprising a plurality of minimum times, a plurality of maximum times, and a plurality of costs for the plurality of non-summary activities;

generating a correlation matrix having columns for each of the plurality of non-summary activities and rows for each of the plurality of non-summary activities;

grouping a first non-summary activity and a second non-summary activity into a first summary activity based on a first entry in the correlation matrix corresponding to the first non-summary activity and the second non-summary activity, wherein the plurality of non-summary activities includes the first non-summary activity and the second non-summary activity;

identifying a minimum time for the first non-summary activity, a maximum time for the first non-summary activity, and a cost for the first non-summary activity from the activity template;

generating a distribution, for the first non-summary activity, bounding a first area corresponding to the minimum time for the first non-summary activity and a second area corresponding to the maximum time for the first non-summary activity, wherein the second area is greater than the first area and includes the first area;

identifying a minimum time for the second non-summary activity, a maximum time for the second non-summary activity, and a cost for the second non-summary activity from the activity template;

calculating a minimum time for the first summary activity based on the minimum time for the first non-summary activity and the minimum time for the second non-summary activity;

calculating a maximum time for the first summary activity based on the maximum time for the first non-summary activity and the maximum time for the second non-summary activity; and

displaying the first non-summary activity, the second non-summary activity, the first summary activity, the minimum time for the first summary activity, and the maximum time for the first summary activity.

17. The method of claim 16, wherein the wellborne geometry and drilling parameters in the oilfield operation comprise at least one selected from a group consisting of Well name, Surface Location, Offshore Well, GL Elevation, Water Depth, Well Type, RKB Elevation, Openhole Or Case hole completion, Conductor, Presence of H2S, Presence of CO2, Unit System, Client Name, Field Name, Tubing Size, Default Unit System, Boit Constant Raw, Ucs Calibration Factor Raw, Friction Angle Raw, Pore Pressure Raw, Poisson Ratio Raw, Unconfined Compressive Strength Raw, Density Raw, Stress Azimuth Raw, Inclination Min Stress Raw, Inclination Intermediate Stress Raw, Vertical Stress Raw, Horizontal Stress Minimum Raw, Horizontal Stress Maximum Raw, True Vertical Depth Raw, Measured Depth Traj Raw, Inclination Raw, Azimuth Raw, True Vertical Depth Trajectory Raw, Northing Southing Raw, Easting Westing Raw, Dog Leg Severity Raw, Build Rate Raw, Turn Rate Raw, True Vertical Depth, Elevation Reference Trajectory, Elevation Depth Trajectory, Elevation Reference Earth Model, Elevation Depth Earth Model, Measured Depth, True Vertical Depth, Dog Leg Severity, Build Rate, and Turn Rate.

18. The method of claim 16, wherein the plurality of non-summary activities comprises at least one selected from a group consisting of pick up bottom hole assembly, drill rotary, and pull out bottom hole assembly.

19. The method of claim 16, further comprising:

grouping a third non-summary activity and a fourth non-summary activity into a second summary activity based on a second entry in the correlation matrix corresponding to the third non-summary activity and the fourth non-summary activity, wherein the plurality of non-summary activities further includes the third non-summary activity and the fourth non-summary activity;

calculating a minimum time for the second summary activity based on a minimum time for the third non-summary activity and a minimum time for the fourth non-summary activity;

calculating a maximum time for the second summary activity based on a maximum time for the third non-summary activity and a maximum time for the fourth non-summary activity; and

displaying the second summary activity, the minimum time for the second summary activity, and the maximum time for the second summary activity.

20. The method of claim 19, further comprising:

calculating a total minimum time based on the minimum time for the first summary activity and the minimum time for the second summary activity, wherein the first summary activity and the second summary activity are primary activities.

21. The method of claim 16, further comprising:

calculating a cost for the first summary activity based on the cost for the first non-summary activity and the cost of the second non-summary activity; and

displaying the cost for the first summary activity.

22. The method of claim 16, wherein the minimum time for the first non-summary activity is an amount of time needed for 10% of a plurality of wells in an oilfield to have completed the first non-summary activity.

23. The method of claim 16, wherein the maximum time of the first non-summary activity is an amount of time needed for 90% of a plurality of wells in an oilfield to have completed the first non-summary activity.

24. The method of claim 16, wherein the distribution for the first non-summary activity is a lognormal distribution.

25. The method of claim 16, the instructions further comprising functionality to:

generating a distribution for the first summary activity based on the minimum time and the maximum time for the first summary activity,

wherein a first area bounded by the distribution for the first summary activity corresponds to the minimum time for the first summary activity,

wherein a second area bounded by the distribution for the first summary activity corresponds to the maximum time for the first summary activity.

26. The method of claim 25, wherein the distribution for the first summary activity is a lognormal distribution.

27. The method of claim 16, further comprising:

displaying the distribution for the first summary activity.

28. The method of claim 16, wherein the first non-summary activity is a productive activity and the second non-summary activity is a non-productive activity.

29. The method of claim 16, wherein the display further comprises the minimum time of the first non-summary activity, the maximum time of the first non-summary activity, the minimum time of the second non-summary activity, and the maximum time of the second non-summary activity.

30. The method of claim 16, wherein the minimum time for the first non-summary activity, the maximum time for the first non-summary activity, and the cost for the first non-summary activity are identified from the activity template prior combining the first non-summary activity and the second non-summary activity.

31. A system for generating and displaying a plurality of time and cost data associated with a plurality of activities, comprising:

a processor;

a memory operatively connected to the processor and having stored thereon a plurality of instructions, the processor programmed to execute the plurality of instructions to;

obtain a plurality of non-summary activities based on wellborne geometry and drilling parameters in an oilfield operation;

obtain an activity template comprising a plurality of minimum times, a plurality of maximum times, and a plurality of costs for the plurality of non-summary activities;

generate a correlation matrix having columns for each of the plurality of non-summary activities and rows for each of the plurality of non-summary activities;

group a first non-summary activity and a second non-summary activity into a first summary activity based on a first entry in the correlation matrix corresponding to the first non-summary activity and the second non-summary activity, wherein the plurality of non-summary activities includes the first non-summary activity and the second non-summary activity;

identify a minimum time for the first non-summary activity, a maximum time for the first non-summary activity, and a cost for the first non-summary activity from the activity template;

generate a distribution, for the first non-summary activity, bounding a first area corresponding to the minimum time for the first non-summary activity and a second area corresponding to the maximum time for the first non-summary activity, wherein the second area is greater than the first area and includes the first area;

identify a minimum time for the second non-summary activity, a maximum time for the second non-summary activity, and a cost for the second non-summary activity from the activity template;

calculate a minimum time for the first summary activity based on the minimum time for the first non-summary activity and the minimum time for the second non-summary activity;

calculate a maximum time for the first summary activity based on the maximum time for the first non-summary activity and the maximum time for the second non-summary activity; and

display the first non-summary activity, the second non-summary activity, the first summary activity, the minimum time for the first summary activity, and the maximum time for the summary activity.

32. The system of claim 31, wherein the wellborne geometry and drilling parameters in the oilfield operation comprise at least one selected from a group consisting of Well name, Surface Location, Offshore Well, GL Elevation, Water Depth, Well Type, RKB Elevation, Openhole Or Case hole completion, Conductor, Presence of H2S, Presence of CO2, Unit System, Client Name, Field Name, Tubing Size, Default Unit System, Boit Constant Raw, Ucs Calibration Factor Raw, Friction Angle Raw, Pore Pressure Raw, Poisson Ratio Raw, Unconfined Compressive Strength Raw, Density Raw, Stress Azimuth Raw, Inclination Min Stress Raw, Inclination Intermediate Stress Raw, Vertical Stress Raw, Horizontal Stress Minimum Raw, Horizontal Stress Maximum Raw, True Vertical Depth Raw, Measured Depth Traj Raw, Inclination Raw, Azimuth Raw, True Vertical Depth Trajectory Raw, Northing Southing Raw, Easting Westing Raw, Dog Leg Severity Raw, Build Rate Raw, Turn Rate Raw, True Vertical Depth, Elevation Reference Trajectory, Elevation Depth Trajectory, Elevation Reference Earth Model, Elevation Depth Earth Model, Measured Depth, True Vertical Depth, Dog Leg Severity, Build Rate, and Turn Rate.

33. The system of claim 31, wherein the plurality of non-summary activities comprises at least one selected from a group consisting of pick up bottom hole assembly, drill rotary, and pull out bottom hole assembly.

34. The system of claim 31, the instructions further comprising functionality to:

group a third non-summary activity and a fourth non-summary activity into a second summary activity based on a second entry in the correlation matrix corresponding to the third non-summary activity and the fourth non-summary activity, wherein the plurality of non-summary activities further includes the third non-summary activity and the fourth non-summary activity;

calculate a minimum time for the second summary activity based on a minimum time for the third non-summary activity and a minimum time for the fourth non-summary activity;

calculate a maximum time for the second summary activity based on a maximum time for the third non-summary activity and a maximum time for the fourth non-summary activity; and

display the second summary activity, the minimum time for the second summary activity, and the maximum time for the second summary activity.

35. The system of claim 31, the instructions further comprising functionality to:

calculate a total minimum time based on the minimum time for the first summary activity and the minimum time for the second summary activity, wherein the first summary activity and the second summary activity are primary activities.

36. The system of claim 31, the instructions further comprising functionality to:

calculate a cost for the first summary activity based on the cost for the first non-summary activity and the cost of the second non-summary activity; and

display the cost for the first summary activity.

37. The system of claim 31, wherein the minimum time for the first non-summary activity is an amount of time needed for 10% of a plurality of wells in an oilfield to have completed the first non-summary activity.

38. The system of claim 31, wherein the maximum time of the first non-summary activity is an amount of time needed for 90% of a plurality of wells in an oilfield to have completed the first non-summary activity.

39. The system of claim 31, wherein the distribution for the first non-summary activity is a lognormal distribution.

40. The system of claim 31, the instructions further comprising functionality to:

generate a distribution for the first summary activity based on the minimum time and the maximum time for the first summary activity,

wherein a first area bounded by the distribution for the first summary activity corresponds to the minimum time for the first summary activity,

wherein a second area bounded by the distribution for the first summary activity corresponds to the maximum time for the first summary activity.

41. The system of claim 40, wherein the distribution for the first summary activity is a lognormal distribution.

42. The system of claim 40, the instructions further comprising functionality to:

display the distribution for the first summary activity.

43. The system of claim 31, wherein the first non-summary activity is a productive activity and the second non-summary activity is a non-productive activity.

44. The system of claim 31, wherein the display further comprises the minimum time of the first non-summary activity, the maximum time of the first non-summary activity, the minimum time of the second non-summary activity, and the maximum time of the second non-summary activity.

45. The system of claim 31, wherein the minimum time for the first non-summary activity, the maximum time for the first non-summary activity, and the cost for the first non-summary activity are identified from the activity template prior combining the first non-summary activity and the second non-summary activity.